Do we know what sort of, uh, services are available on Wrigley's Pleasure Planet? Are there any canon references to it other than than one line in "The Man Trap"?

My preference is the robot planet from "Shore Leave." You can get lifelike sexbots custom-designed from your thoughts and memories, and you don't have to concern yourself with ethical issues like slavery. Just be careful what you think.

SCOTT: Captain, I think I'm going to like Argelius.
KIRK: Obviously a man of good taste.
SCOTT: You mean to tell me all these women, that all this is
KIRK: Yes, yes, yes. The Argelians think very highly of their pleasure.

KIRK: Mission accomplished as far as Scotty is concerned. Bones, I know a little place across town where the women
MCCOY: Oh yes. I know the place. Let's go.